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Patent Searching and Data


Matches 451 - 500 out of 13,864

Document Document Title
WO/2018/213785A1
A drill string is comprised of a vibration damping drill pipe section, made of a material such as aluminum alloy, titanium, composite material, or ductile iron, for example, and another drill pipe section made of a different material, su...  
WO/2018/212873A1
A method and system for automatically controlling drilling weight-on-bit for using a drill-string to drill along a wellbore is described.  
WO/2018/210396A1
The invention relates to an advanced drilling device formed from an externally threaded cone and cylinder, the cylinder having a left-handed thread and the cone having a right-handed thread. The cylinder contains two motors joined togeth...  
WO/2018/212755A1
A directional drilling device for drilling a wellbore having a wall, the device including an outer housing, a driveshaft located at least partially within and selectively rotatable with respect to the outer housing. The device also inclu...  
WO/2018/212836A1
Methods, apparatus, and systems are provided for correcting, or at least adjusting, for drill pipe compression in a downhole operation in a wellbore. An exemplary method includes obtaining an indication of a first displacement, from a ba...  
WO/2018/208280A1
The disclosed embodiments include devices and methods to perform inversion processing of well log data. In one embodiment, a method to perform inversion processing of well log data includes obtaining an initial model of an earth formatio...  
WO/2018/204293A1
An integrated drilling rig machine is disclosed. An integrated power and electronics unit (IPEU) includes all components necessary to transmit power from a generator to rig machines such as a mud pump, drawworks, top drive, etc. A housin...  
WO/2018/203889A1
A support device may include an upper portion that has a first width and a base portion that has a second width. The support device may be sized to be positioned within a tubing string. The support device may be removable from the tubing...  
WO/2018/204644A1
A bit jet enhancement tool is provided, the system comprises two or more separate flow paths, each of the flow paths has multiple hollow chambers connected in series; each of the hollow chambers comprises a first constricted chamber with...  
WO/2018/204428A1
An actuator assembly for a drilling rig includes a cradle actuator coupled to a substructure of a rig, and an actuator bracket having a first end pivotally coupled to the substructure. The actuator bracket is coupled to the cradle actuat...  
WO/2018/162988A3
A foot for a drilling device includes a foot frame and a plurality of louver assemblies attached to the foot frame. Each louver assembly includes a louver that is at a first position when the foot is on a surface and that is movable towa...  
WO/2018/192701A1
The invention relates to a drilling device and a method for producing a drill hole in the ground, comprising: an auger (22), which can be rotationally driven and which has at least one drill flighting (24), which runs along a central hol...  
WO/2018/194575A1
This disclosure provides an agitator system that includes an agitator assembly of concentric power-sections, (one power-section inside another power-section both of which comprise stators and rotors). The agitator system includes a contr...  
WO/2018/191127A1
An apparatus (50) is directed relative to geomagnetic and gravitational fields of reference while advancing with rotation in a borehole (12) by determining angular position of the apparatus during the rotation and correcting the angular ...  
WO/2018/184916A1
The invention relates to an apparatus for controlling one or more booms of a mine vehicle. The invention further relates to a mine vehicle, method and computer program product. The apparatus comprises a control unit (CU) provided with a ...  
WO/2018/187397A1
A steering assembly configured for disposal above a drill head, forming a cylinder with top and bottom surfaces and having an under-gauge peripheral section and an over-gauge peripheral section substantially opposing the under-gauge peri...  
WO/2018/187765A1
A pressure pulse tool includes a tool housing, a valve disposed in the housing and having first and second valve components that are each rotatable relative to the housing and that cooperate to open and close a fluid flow path through th...  
WO/2018/186828A1
A downhole drilling system is disclosed. The downhole drilling system may include a pulse-generating circuit electrically coupled to a power source configured to provide an alternating current at a frequency and an input voltage, the pul...  
WO/2018/183499A1
A system for generating pressure pulses in drilling fluid includes a concentric drive power section. The power section includes a stator and a rotor rotatably disposed in the stator. The rotor is coaxially aligned with the stator. The sy...  
WO/2018/182870A1
Described is a system for adaptive calibration of a sensor of an inertial measurement unit. Following each sensor measurement, the system performs automatic calibration of a multi-axis sensor. A reliability of a current calibration is as...  
WO/2018/174987A1
A wellbore completion comprises a borehole extending into a subterranean formation, a first portion of the borehole disposed within at least one production zone of the subterranean formation, and one or more completion zones within the f...  
WO/2018/174718A1
A method is described for making an opening (100) through a casing pipe (12) in a well (10) in which equipment is tipped to cut out the opening and cut out pieces from the pipe wall are captured, and also that a drill wedge is fitted in ...  
WO/2018/175394A1
A wellbore is drilled in a formation using a drill string assembly DSA (100) that includes a drill string (114). A drill bit (116) is connected to a downhole end of the drill string (114). A notching tool (104) is connected to the drill ...  
WO/2018/175920A1
A radiator (RAD) enhanced geothermal system (EGS) may comprise a radiator vane heat exchanger (RVHE). The RVHE may be configured to be located in a plane defined by an injector well and a production well that is defined by a principal st...  
WO/2018/172529A1
A method for providing a deck surface on an offshore drilling rig (10) comprising installing a modular deck structure (42) comprising a plurality of deck modules (43a, 43b) over at least a portion of a vertical riser storage bay (32) pro...  
WO/2018/170266A1
Methods are disclosed for refurbishing an existing host pipe. According to presently preferred embodiments, a first phase is to make a longitudinal cut in the host pipe. A second phase is an expansion phase, wherein the host pipe is expa...  
WO/2018/165734A1
A radial bearing for transmitting a radial load, including a first radial bearing component having an inner surface defining a bore and a second radial bearing component received within the bore of the first radial bearing component and ...  
WO/2018/170051A1
A method for treating a hydrocarbon bearing formation bounded by at least one nonbearing formation comprises inserting a tubular into a wellbore formed in the hydrocarbon bearing formation. The tubular defines proximal and distal ends an...  
WO/2018/164347A1
The present invention relates to a drilling apparatus for constructing a jacket of marine equipment and a drilling method using the same, the apparatus having a crushed material storage unit for storing crushed materials generated during...  
WO/2018/164593A1
The device is equipped with a forming arm (2) comprising modular working segments (2a, 2b) with supply channels (33) for feeding concrete mortar through a supply manifold (35) and outlet openings (24) in the segments rear wall to space h...  
WO/2018/165461A1
The present disclosure generally relates to an apparatus for storing, treating, and making up of various drilling fluids onboard a dynamically positioned vessel, such as a barge, boat, or shop. In particular, the present disclosure relat...  
WO/2018/164687A1
Provided is an adjustable split thrust ring and a drilling system including the same. The adjustable split thrust ring, in one embodiment, includes a downhole split ring including two or more separate downhole pieces, the two or more sep...  
WO/2018/164855A1
A drilling assembly on a drillstring deviates (i.e., changes the trajectory of) a borehole advanced by a drill bit. A housing disposed on the drillstring transfers first rotation to the drill bit, and directors are disposed on the housin...  
WO/2018/164685A1
Provided is an adjustable split thrust ring and a drilling system including the same. The adjustable split thrust ring, in one embodiment, includes a downhole split ring including two or more separate downhole pieces, the two or more sep...  
WO/2018/160464A1
A rotary steerable drilling system includes a collar, a drill bit, and a bit shaft connecting the drill bit to the collar. The bit shaft is coupled to the collar through a joint capable of transmitting a torque from the collar to the bit...  
WO/2018/157218A1
The invention refers to a continuous wedging tool for directional diamond drilling, employed in geological prospecting. It comprises a composite stator assembly (1) with a bearing seated composite rotor assembly (2) ending in a drill bit...  
WO/2018/158627A1
An adjustable drilling motor includes a center housing having a connection at each longitudinal end for coupling to a respective bent sub. The connections each subtend a same angle from a centerline of the center housing. The angles are ...  
WO/2018/152636A1
Methods and apparatus for identifying downhole dynamics in a drilling system are provided. Acceleration-detecting sensors are mounted at multiple locations near to a drill bit, such as at a drill collar. The sensors may be spaced 90° ap...  
WO/2018/156073A1
The present invention relates to a method for generating a drilling pattern for excavating a cavity in rock. The method comprises: - determining a face contour (FC) being a representation of the rock face to be drilled and constituting a...  
WO/2018/156072A1
The present invention relates to a method for generating a drilling pattern for excavating a cavity in rock, the drilling pattern determining holes (x) to be drilled in a face (603) of the rock, the determination of the holes (x) to be d...  
WO/2018/148781A1
A seat holding assembly for a water delivery nozzle assembly of the type comprising a body defining an internal space which receives and retains therein a water delivery nozzle. The housing has a first part which retains therein a water ...  
WO/2018/146586A1
A reaming tool includes a reaming tool body configured to be coupled within a drill string or a string of drilling tools. A plurality of reaming blocks is attached to the reaming tool body at circumferentially spaced apart locations. Eac...  
WO/2018/148618A1
Provided are systems and methods for drilling a horizontally-oriented well having a sigmoid-shaped wellbore including an upper sigmoid portion having a downward curving wellbore trajectory and a lower sigmoid portion having an upward cur...  
WO/2018/148300A1
A BHA features an MWD tool connected to a running tool supporting a whipstock that is connected to an open hole anchor. The anchor is flow set and after the anchor is set the running tool collets release from the whipstock to allow cemen...  
WO/2018/144169A1
A method for directional drilling including defining, by a sliding mode controller, a sliding hypersurface for reducing a trajectory error in one or more error dimensions; determining a current trajectory error between a current trajecto...  
WO/2018/143823A1
In an embodiment there is described a method of constructing a subsea well. There is also described an associated unit. The method may comprise the steps of: providing a unit comprising at least one component of a flow control assembly, ...  
WO/2018/143958A1
Systems, methods, and computer-readable media for directional drilling based on curvature-based feedback. In some examples, a drilling tool tracks a current position and a current attitude, determines a curvature value for a curved path ...  
WO/2018/144170A1
A method for controlling directional drilling including defining a cost function that includes at least one penalty condition associated with a control input. A controller is provided with a current position of the drilling tool and a re...  
WO/2018/144029A1
System and methods for geosteering inversion are provided. A downhole tool's response along a path of a wellbore to be drilled through a formation is predicted over different stages of a downhole operation, based on each of a plurality o...  
WO/2018/063542A9
A fully rotating bias unit for directional drilling rotates at bit speed while providing proportional control of directional response and steering force. The unit also provides added reliability by having increased redundancy (multiple i...  

Matches 451 - 500 out of 13,864